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| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2019-01-29 16:48:17 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-01-29 18:08:58 +0300 |
| commit | f3fdea3af405f3269099a695d670675cddcd0bfc (patch) | |
| tree | b1eb5dee4ffee2d947b076283093825e9aaf0db6 /drivers/spi/spi-mxs.c | |
| parent | c55d0e8c543bfd21f0dce73024e5f6a9a306b834 (diff) | |
| download | linux-f3fdea3af405f3269099a695d670675cddcd0bfc.tar.xz | |
spi: mxs: add tracing to custom .transfer_one_message callback
Driver specific implementations for .transfer_one_message need to call
the tracing stuff themself. This is necessary to make spi tracing
actually useful.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-mxs.c')
| -rw-r--r-- | drivers/spi/spi-mxs.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/spi/spi-mxs.c b/drivers/spi/spi-mxs.c index 6ac95a2a21ce..7bf53cfc25d6 100644 --- a/drivers/spi/spi-mxs.c +++ b/drivers/spi/spi-mxs.c @@ -39,6 +39,7 @@ #include <linux/stmp_device.h> #include <linux/spi/spi.h> #include <linux/spi/mxs-spi.h> +#include <trace/events/spi.h> #define DRIVER_NAME "mxs-spi" @@ -374,6 +375,8 @@ static int mxs_spi_transfer_one(struct spi_master *master, list_for_each_entry(t, &m->transfers, transfer_list) { + trace_spi_transfer_start(m, t); + status = mxs_spi_setup_transfer(m->spi, t); if (status) break; @@ -419,6 +422,8 @@ static int mxs_spi_transfer_one(struct spi_master *master, flag); } + trace_spi_transfer_stop(m, t); + if (status) { stmp_reset_block(ssp->base); break; |